text: /*
   * Copyright (c) 2008-2012 Martin Hedenfalk <martin@vicoapp.com>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  @class ViCommand;
  @class ExCommand;
  
  /** Convenience NSView functions. */
  @interface NSView (additions)
  /** Find the target for a command action.
   *
   * The following objects are checked if they respond to the action selector:
   *
   * 1. The view itself and any of its superviews
   * 2. The views window
   * 3. The views windowcontroller
   * 4. The views delegate, if any
   * 5. The views document, if any
   * 6. The views key managers target, if any
   * 7. The application delegate
   *
   * @param action The command action being executed.
   * @returns The first object responding to the selector, or `nil` if not found.
   */
  - (id)targetForSelector:(SEL)action;
  
  - (BOOL)performCommand:(ViCommand *)command;
  
  - (NSString *)getExStringForCommand:(ViCommand *)command prefix:(NSString *)prefix;
  - (NSString *)getExStringForCommand:(ViCommand *)command;
  - (BOOL)evalExCommand:(ExCommand *)ex;
  
  @end
  